<!doctype html>
<title>Hello Sample</title>
<link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='style.css') }}">
{% with messages = get_flashed_messages(with_categories=true) %}
  {% if messages %}
    <ul class="flash">
    {% for category, message in messages %}
      <li class="flash-{{ category }}">{{ message }}</li>
    {% endfor %}
    </ul>
  {% endif %}
{% endwith %}
<div class="page">
    {% block body %}
    {% endblock %}
</div>